Personally I am more of a traditionalist however I have absolutely no problem with contemporary kilts.
These fashions do not make me think Scotland or Heritage ir Tradition. One of "fashions" aims is cause change and also to obtain a different look.
Take the "Artificer" hats that showed up at the Royal Wedding. That caused a stir and I suggest that is why they were worn. Fashion clothing is worn to bring attention to ones self. A guy with pants on and a kilt/but not a kilt would make me notice him for sure. If I saw him hiking in the mountains dressed like that I would tend to think he was a pickle short of a full jar. If I saw him at high end evening function, maybe not so bad.
Would I wear a kilt like this? No. Would I criticize someone wearing a kilt like this? No.
Life is all about change and we all adapt.
I say Go for it!